package com.atguigu.gulimall.gulimallmember.exception;

/**
 * @Author: Zjn ; Bring it on !!!
 * @Date: 2021/11/17 0017 14:24
 * Note:
 */
public class UsernameExistException extends RuntimeException{
    public UsernameExistException() {
        super("用户名存在");
    }
}
